Hello I really need help ty and explain thanks

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels